Home / 47,072.51-70,608.72-12,012.16

Finding the Fourth Proportional to 47,072.51, 70,608.72 and 12,012.16

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Solution

The fourth proportional to 47,072.51, 70,608.72 and 12,012.16 is: 18,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,072.51 : 70,608.72 = 12,012.16 : x
  2. Step 2: Convert to fraction form
    47,072.51/70,608.72 = 12,012.16/x
  3. Step 3: Cross multiply
    47,072.51x = 70,608.72 × 12,012.16
  4. Step 4: Simplify right side
    47,072.51x = 848,163,242.04
  5. Step 5: Solve for x
    x = 848,163,242.04/47,072.51
  6. Step 6: Final answer
    x = 18,018.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.